Home / 38,534.80-57,802.20-28,166.80

Finding the Fourth Proportional to 38,534.80, 57,802.20 and 28,166.80

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Solution

The fourth proportional to 38,534.80, 57,802.20 and 28,166.80 is: 42,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,534.80 : 57,802.20 = 28,166.80 : x
  2. Step 2: Convert to fraction form
    38,534.80/57,802.20 = 28,166.80/x
  3. Step 3: Cross multiply
    38,534.80x = 57,802.20 × 28,166.80
  4. Step 4: Simplify right side
    38,534.80x = 1,628,103,006.96
  5. Step 5: Solve for x
    x = 1,628,103,006.96/38,534.80
  6. Step 6: Final answer
    x = 42,250.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.